1. From the Department of Neurology, Aarhus University Hospital, Aarhus C, Denmark (M.L.S., C.Z.S., G.A.); Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus N, Denmark (H.H., S.P.J.); Department of Neurology, Bispebjerg Hospital, Copenhagen, Denmark (H.C.); Department of Neurology, Roskilde Hospital, Roskilde, Denmark (K.E.); Department of Neurology, Holstebro Hospital, Holstebro, Denmark (K.G.); Department of Neurology, Glostrup Hospital, Glostrup, Denmark (H.I.); Department of...